Which of the Following Entitles a Creditor to Perfection of a Security

Which of the following entitles a creditor to perfection of a security interest under the Personal Property Security Act?

A) the point in time when the creation of a security interest by entering into a security agreement with the debtor
B) the point in time when value is given under the contract to the debtor
C) the point in time when the creditor obtains a claim against the assets
D) the point in time when the creditor takes physical possession of the property used as security such as share certificates or bonds
E) The point in time when the creditor searches the title of the asset through the PPSA registration system